Saudi 'optimistic' about Trump's rule: foreign minister

US ally Saudi Arabia is "optimistic" about Donald Trump's impending presidency, Foreign Minister Adel al-Jubeir said Monday, hailing Trump's stern line on arch-Saudi rival Iran and promise to defeat the Islamic State group.

"When we look at the Trump administration's view as articulated -- wanting to restore America's role in the world -- we welcome this," Jubeir told a group of reporters during a visit to Paris.

"Wanting to defeat ISIS: absolutely. Wanting to contain Iran and prevent it from causing mischief through its negative policies in the region: absolutely, we have been calling for this for years," he said.